Some mushrooms can be poisonous after 24h, just in case. angel wing mushroom shows no digestive symptoms but encephalopathy after 2 day to 1 month of latent period. The mushroom was known to be edible for a long time. Were it not for full screening for encephalopathy cases (enforced due to SARS spread back in 2004), it could’ve remain “edible” still now.
I think they can retain customers’ past flight records and maybe list of media played in flights. That said it’s almost guaranteed some ad marketing corpo is behind, and EULA is always vague enough to allow sharing external party…